Vacunair engineering co provides high-efficiency axial flow fans that have defined hub ratio type 71 to 25 for a given capacity, pressure and speed. These fans are available in 22 sizes ranging from 225 mm to 2500 mm in each type. Drives are available for direct mounting/v-belt drive. Impeller blades are adjustable type and rest at designed angle to suit the system resistance. The fans run parallel to suit capacity and in series for higher pressure. Impellers are made of aerofoil profile from cast aluminium alloys. In order to handle corrosive gases and hot gases, bifurcated type fans are provided. . The axial flow fans are available having capacity up to 3,00,000 m³/hr and pressures up to 1000 mm wg.
